Home / 13,885.70-19,162.18-7,512.27

Finding the Fourth Proportional to 13,885.70, 19,162.18 and 7,512.27

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Solution

The fourth proportional to 13,885.70, 19,162.18 and 7,512.27 is: 10,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.70 : 19,162.18 = 7,512.27 : x
  2. Step 2: Convert to fraction form
    13,885.70/19,162.18 = 7,512.27/x
  3. Step 3: Cross multiply
    13,885.70x = 19,162.18 × 7,512.27
  4. Step 4: Simplify right side
    13,885.70x = 143,951,336.58
  5. Step 5: Solve for x
    x = 143,951,336.58/13,885.70
  6. Step 6: Final answer
    x = 10,366.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.